Malware Analysis Report

2024-09-11 09:57

Sample ID 240625-fxar8ascmd
Target 0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118
SHA256 1643f09345a88923f4d9fdb38bcec093b7f9a58a17f3dd2e15077fc159f830a1
Tags
limerat rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

1643f09345a88923f4d9fdb38bcec093b7f9a58a17f3dd2e15077fc159f830a1

Threat Level: Known bad

The file 0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

limerat rat

LimeRAT

Checks computer location settings

Executes dropped EXE

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Scheduled Task/Job
T1053
Scheduled Task
T1053.005
Persistence
TA0003
Scheduled Task/Job
T1053
Scheduled Task
T1053.005
Privilege Escalation
TA0004
Scheduled Task/Job
T1053
Scheduled Task
T1053.005
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Web Service
T1102
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-25 05:14

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 05:14

Reported

2024-06-25 05:17

Platform

win7-20240611-en

Max time kernel

147s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe"

Signatures

LimeRAT

rat limerat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Secure.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Secure.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Secure.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2224 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe C:\Windows\system32\schtasks.exe
PID 2224 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe C:\Windows\system32\schtasks.exe
PID 2224 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe C:\Windows\system32\schtasks.exe
PID 2224 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\Secure.exe
PID 2224 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\Secure.exe
PID 2224 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\Secure.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe"

C:\Windows\system32\schtasks.exe

schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\Secure.exe'"

C:\Users\Admin\AppData\Local\Temp\Secure.exe

"C:\Users\Admin\AppData\Local\Temp\Secure.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 104.20.3.235:443 pastebin.com tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp

Files

memory/2224-0-0x000007FEF5453000-0x000007FEF5454000-memory.dmp

memory/2224-1-0x00000000001E0000-0x00000000001F6000-memory.dmp

memory/2224-2-0x0000000000270000-0x000000000027A000-memory.dmp

memory/2224-3-0x0000000000590000-0x000000000059C000-memory.dmp

memory/2224-4-0x000007FEF5450000-0x000007FEF5E3C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Secure.exe

MD5 0cb9b66451ba728bd3edf2e34404289d
SHA1 e2c2472aca5fe1cf9716b60e871a73ebabcca6a5
SHA256 1643f09345a88923f4d9fdb38bcec093b7f9a58a17f3dd2e15077fc159f830a1
SHA512 d69d6b091d50d7953dd259609a7ff1818830df19e8a466ea368df29d526e6d79319f2e911c77025c53b52bdcebeec8b71cb9506e127fbb0b6819220bcd6f61e3

memory/1996-10-0x0000000000D20000-0x0000000000D36000-memory.dmp

memory/1996-11-0x000007FEF5450000-0x000007FEF5E3C000-memory.dmp

memory/1996-12-0x000007FEF5450000-0x000007FEF5E3C000-memory.dmp

memory/2224-13-0x000007FEF5450000-0x000007FEF5E3C000-memory.dmp

memory/1996-14-0x000007FEF5450000-0x000007FEF5E3C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 05:14

Reported

2024-06-25 05:17

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe"

Signatures

LimeRAT

rat limerat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Secure.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Secure.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Secure.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2908 wrote to memory of 2868 N/A C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe C:\Windows\SYSTEM32\schtasks.exe
PID 2908 wrote to memory of 2868 N/A C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe C:\Windows\SYSTEM32\schtasks.exe
PID 2908 wrote to memory of 568 N/A C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\Secure.exe
PID 2908 wrote to memory of 568 N/A C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\Secure.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0cb9b66451ba728bd3edf2e34404289d_JaffaCakes118.exe"

C:\Windows\SYSTEM32\schtasks.exe

schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\Secure.exe'"

C:\Users\Admin\AppData\Local\Temp\Secure.exe

"C:\Users\Admin\AppData\Local\Temp\Secure.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 172.67.19.24:443 pastebin.com tcp
DE 193.161.193.99:27942 tcp
US 8.8.8.8:53 24.19.67.172.in-addr.arpa udp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
DE 193.161.193.99:27942 tcp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
DE 193.161.193.99:27942 tcp
US 8.8.8.8:53 195.201.50.20.in-addr.arpa udp

Files

memory/2908-0-0x00007FF84DF63000-0x00007FF84DF65000-memory.dmp

memory/2908-1-0x0000000000040000-0x0000000000056000-memory.dmp

memory/2908-2-0x0000000000900000-0x000000000090A000-memory.dmp

memory/2908-3-0x0000000000930000-0x000000000093C000-memory.dmp

memory/2908-4-0x00007FF84DF60000-0x00007FF84EA21000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Secure.exe

MD5 0cb9b66451ba728bd3edf2e34404289d
SHA1 e2c2472aca5fe1cf9716b60e871a73ebabcca6a5
SHA256 1643f09345a88923f4d9fdb38bcec093b7f9a58a17f3dd2e15077fc159f830a1
SHA512 d69d6b091d50d7953dd259609a7ff1818830df19e8a466ea368df29d526e6d79319f2e911c77025c53b52bdcebeec8b71cb9506e127fbb0b6819220bcd6f61e3

memory/2908-17-0x00007FF84DF60000-0x00007FF84EA21000-memory.dmp

memory/568-18-0x00007FF84DF60000-0x00007FF84EA21000-memory.dmp

memory/568-19-0x00007FF84DF60000-0x00007FF84EA21000-memory.dmp

memory/568-20-0x00007FF84DF60000-0x00007FF84EA21000-memory.dmp